2003 GMC Sierra 1500 Service Brakes Problems
Owners have filed 55 complaints with NHTSA about service brakes problems on the 2003 GMC Sierra 1500, 31% of all complaints for this model year. Half of the reports with a mileage happened before 89,863 miles. The words owners use most often: “brake lines” (47% of reports).
- 55service brakes complaints
- 89,863median miles at failure
- 5mention a crash
- 1mention an injury
- 0related recalls
- $1,050typical repair cost reported by owners
- 13%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Brake lines: mentioned in 26 of 55 complaints (47%)
- Pedal went: mentioned in 21 of 55 complaints (38%)
- Rusted through: mentioned in 7 of 55 complaints (13%)
- Way floor: mentioned in 6 of 55 complaints (11%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical service brakes repair on the 2003 GMC Sierra 1500 at $1,050, and half of them between $600 and $1,400.
Based on 6 NHTSA complaints about this problem alone that state a repair bill or quote (2012–2015), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do service brakes problems happen?
Based on 54 complaints that reported the odometer reading.
How serious are the reports?
Of 55 complaints, 5 mention a crash, 1 an injury.
GMC Sierra 1500 service brakes complaints by model year
| Model year | Service Brakes complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Sierra 1500 | 4 | 3% | — |
| 2025 Sierra 1500 | 7 | 6% | — |
| 2024 Sierra 1500 | 10 | 3% | — |
| 2023 Sierra 1500 | 14 | 3% | 28,550 |
| 2022 Sierra 1500 | 28 | 5% | 9,700 |
| 2021 Sierra 1500 | 23 | 4% | 21,270 |
| 2020 Sierra 1500 | 49 | 10% | 6,400 |
| 2019 Sierra 1500 | 107 | 16% | 7,000 |
| 2018 Sierra 1500 | 40 | 13% | 11,500 |
| 2017 Sierra 1500 | 100 | 28% | 38,984 |
| 2016 Sierra 1500 | 100 | 29% | 44,261 |
| 2015 Sierra 1500 | 219 | 30% | 55,500 |
| 2014 Sierra 1500 | 139 | 19% | 68,190 |
| 2013 Sierra 1500 | 2 | 2% | 33,295 |
| 2012 Sierra 1500 | 5 | 5% | 55,000 |
| 2011 Sierra 1500 | 6 | 2% | 50,000 |
| 2009 Sierra 1500 | 4 | 2% | 61,752 |
| 2008 Sierra 1500 | 3 | 1% | 116,000 |
| 2007 Sierra 1500 | 16 | 6% | 90,100 |
| 2006 Sierra 1500 | 40 | 28% | 78,500 |
| 2005 Sierra 1500 | 33 | 19% | 89,240 |
| 2004 Sierra 1500 | 43 | 20% | 89,900 |
| 2003 Sierra 1500 | 55 | 31% | 89,863 |
| 2002 Sierra 1500 | 64 | 39% | 100,000 |
| 2001 Sierra 1500 | 40 | 29% | 110,356 |
| 2000 Sierra 1500 | 40 | 22% | 115,000 |
| 1999 Sierra 1500 | 30 | 19% | 152,446 |
| 1998 Sierra 1500 | 1 | 2% | 167,525 |
| 1997 Sierra 1500 | 3 | 4% | 111,087 |
When owners reported it
Related recalls (0)
No safety recall lists service brakes for the 2003 GMC Sierra 1500. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
Hydraulic brake lines corroded causing leaks and brake failure
76000 miles; issue ongoing beginning in november 2018 on dry pavement at low speed (under 10 mph) braking is compromised by abs system engagement issue. Below 10 mph, the abs system engages causing dry pavement braking to be double or triple the normal distance to stop prior to the abs issue. This…
While driving approximately 35 mph in town, the vehicle in front of me signaled to make a left hand turn. I began to slow down the vehicle and then i lost all brake pressure. I was unable to stop the truck to avoid an accident due to complete brake failure! There were no previous lights or warning…
Frequently asked questions
Do all 2003 GMC Sierra 1500s have service brakes problems?
No. NHTSA has 55 owner complaints about service brakes for the 2003 GMC Sierra 1500 (31% of the 180 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2003 GMC Sierra 1500 service brakes?
No recall currently lists service brakes for this vehicle.
At what mileage do service brakes problems start?
The median reported mileage is 89,863 miles: half of the reports with a mileage came before that.
How much does it cost to fix service brakes problems on the 2003 GMC Sierra 1500?
Owners report a typical cost of $1,050 (half paid between $600 and $1,400), from 6 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about service brakes problems on the 2003 GMC Sierra 1500?
The most frequent phrase is “brake lines”, in 26 of 55 complaints, followed by “pedal went” (21).
Other 2003 GMC Sierra 1500 problems
See all 2003 GMC Sierra 1500 problems or service brakes problems across all Sierra 1500 years.